Project Number Date
test_Tails_ISO_simplify-build-memory-requirements 4 15 May 2025, 22:19

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:52.432 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
25.111
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.481
And I prepare Tails for memory erasure tests 0.585
When I start a process allocating 128 MiB of memory with a known pattern 2.353
Then patterns cover at least 128 MiB in the guest's memory 3.931 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.961
Then I find very few patterns in the guest's memory after 5 seconds 8.796 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.472
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.963
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.530
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 3.401 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.794
Then patterns cover at least 99% of the test FS size in the guest's memory 3.966 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.716
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.985
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.230
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.953
And I prepare Tails for memory erasure tests 0.551
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.137
Then I find very few patterns in the guest's memory 3.320 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.405
Then patterns cover at least 75% of the test FS size in the guest's memory 3.435 
Pattern coverage: 91.829% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.392
Then I find very few patterns in the guest's memory after 3 seconds 6.496 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 3.783 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.643
Then I find very few patterns in the guest's memory after 3 seconds 6.155 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.170
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.399
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.322
Then I find very few patterns in the guest's memory 2.737 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.807
Then patterns cover at least 99% of the test FS size in the guest's memory 3.168 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.858
Then I find very few patterns in the guest's memory after 3 seconds 5.897 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 12.292
And I read the content of the test FS 0.487
Then patterns cover at least 99% of the test FS size in the guest's memory 3.359 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory after 3 seconds 5.749 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.697
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.033
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.353
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 17.691
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.729
Then patterns cover at least 128 MiB in the guest's memory 2.796 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.978 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.540
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.922
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:59.011
And I prepare Tails for memory erasure tests 1.263
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.444
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.188 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.470
After features/support/hooks.rb:100 0.035